Finding the Fourth Proportional to 1,207,302.73, 1,809,605.21 and 523,400.09
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Solution
The fourth proportional to 1,207,302.73, 1,809,605.21 and 523,400.09 is: 784,515.35
Step by Step Solution
- Step 1: Write the proportion equation
1,207,302.73 : 1,809,605.21 = 523,400.09 : x - Step 2: Convert to fraction form
1,207,302.73/1,809,605.21 = 523,400.09/x - Step 3: Cross multiply
1,207,302.73x = 1,809,605.21 × 523,400.09 - Step 4: Simplify right side
1,207,302.73x = 947,147,518,113.44 - Step 5: Solve for x
x = 947,147,518,113.44/1,207,302.73 - Step 6: Final answer
x = 784,515.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.